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Finding the Fourth Proportional to 145,376.74, 200,590.50 and 84,935.71

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Solution

The fourth proportional to 145,376.74, 200,590.50 and 84,935.71 is: 117,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,376.74 : 200,590.50 = 84,935.71 : x
  2. Step 2: Convert to fraction form
    145,376.74/200,590.50 = 84,935.71/x
  3. Step 3: Cross multiply
    145,376.74x = 200,590.50 × 84,935.71
  4. Step 4: Simplify right side
    145,376.74x = 17,037,296,536.76
  5. Step 5: Solve for x
    x = 17,037,296,536.76/145,376.74
  6. Step 6: Final answer
    x = 117,194.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.