Home / 155,053.21-232,535.54-42,705.13

Finding the Fourth Proportional to 155,053.21, 232,535.54 and 42,705.13

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Solution

The fourth proportional to 155,053.21, 232,535.54 and 42,705.13 is: 64,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,053.21 : 232,535.54 = 42,705.13 : x
  2. Step 2: Convert to fraction form
    155,053.21/232,535.54 = 42,705.13/x
  3. Step 3: Cross multiply
    155,053.21x = 232,535.54 × 42,705.13
  4. Step 4: Simplify right side
    155,053.21x = 9,930,460,251.79
  5. Step 5: Solve for x
    x = 9,930,460,251.79/155,053.21
  6. Step 6: Final answer
    x = 64,045.50

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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.