Home / 145,451.35-200,746.73-85,010.18

Finding the Fourth Proportional to 145,451.35, 200,746.73 and 85,010.18

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Solution

The fourth proportional to 145,451.35, 200,746.73 and 85,010.18 is: 117,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,451.35 : 200,746.73 = 85,010.18 : x
  2. Step 2: Convert to fraction form
    145,451.35/200,746.73 = 85,010.18/x
  3. Step 3: Cross multiply
    145,451.35x = 200,746.73 × 85,010.18
  4. Step 4: Simplify right side
    145,451.35x = 17,065,515,651.71
  5. Step 5: Solve for x
    x = 17,065,515,651.71/145,451.35
  6. Step 6: Final answer
    x = 117,328.00

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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.