Home / 81,250.18-112,130.98-45,443.52

Finding the Fourth Proportional to 81,250.18, 112,130.98 and 45,443.52

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Solution

The fourth proportional to 81,250.18, 112,130.98 and 45,443.52 is: 62,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,250.18 : 112,130.98 = 45,443.52 : x
  2. Step 2: Convert to fraction form
    81,250.18/112,130.98 = 45,443.52/x
  3. Step 3: Cross multiply
    81,250.18x = 112,130.98 × 45,443.52
  4. Step 4: Simplify right side
    81,250.18x = 5,095,626,318.64
  5. Step 5: Solve for x
    x = 5,095,626,318.64/81,250.18
  6. Step 6: Final answer
    x = 62,715.26

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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.