Home / 112,948.57-155,869.13-62,647.57

Finding the Fourth Proportional to 112,948.57, 155,869.13 and 62,647.57

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Solution

The fourth proportional to 112,948.57, 155,869.13 and 62,647.57 is: 86,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,948.57 : 155,869.13 = 62,647.57 : x
  2. Step 2: Convert to fraction form
    112,948.57/155,869.13 = 62,647.57/x
  3. Step 3: Cross multiply
    112,948.57x = 155,869.13 × 62,647.57
  4. Step 4: Simplify right side
    112,948.57x = 9,764,822,232.51
  5. Step 5: Solve for x
    x = 9,764,822,232.51/112,948.57
  6. Step 6: Final answer
    x = 86,453.70

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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.