Home / 124,553.40-186,830.10-74,689.80

Finding the Fourth Proportional to 124,553.40, 186,830.10 and 74,689.80

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Solution

The fourth proportional to 124,553.40, 186,830.10 and 74,689.80 is: 112,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,553.40 : 186,830.10 = 74,689.80 : x
  2. Step 2: Convert to fraction form
    124,553.40/186,830.10 = 74,689.80/x
  3. Step 3: Cross multiply
    124,553.40x = 186,830.10 × 74,689.80
  4. Step 4: Simplify right side
    124,553.40x = 13,954,302,802.98
  5. Step 5: Solve for x
    x = 13,954,302,802.98/124,553.40
  6. Step 6: Final answer
    x = 112,034.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.