Home / 145,317.77-200,562.61-84,888.22

Finding the Fourth Proportional to 145,317.77, 200,562.61 and 84,888.22

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Solution

The fourth proportional to 145,317.77, 200,562.61 and 84,888.22 is: 117,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,317.77 : 200,562.61 = 84,888.22 : x
  2. Step 2: Convert to fraction form
    145,317.77/200,562.61 = 84,888.22/x
  3. Step 3: Cross multiply
    145,317.77x = 200,562.61 × 84,888.22
  4. Step 4: Simplify right side
    145,317.77x = 17,025,402,961.45
  5. Step 5: Solve for x
    x = 17,025,402,961.45/145,317.77
  6. Step 6: Final answer
    x = 117,159.81

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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.