Home / 155,010.20-232,484.63-42,661.40

Finding the Fourth Proportional to 155,010.20, 232,484.63 and 42,661.40

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Solution

The fourth proportional to 155,010.20, 232,484.63 and 42,661.40 is: 63,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,010.20 : 232,484.63 = 42,661.40 : x
  2. Step 2: Convert to fraction form
    155,010.20/232,484.63 = 42,661.40/x
  3. Step 3: Cross multiply
    155,010.20x = 232,484.63 × 42,661.40
  4. Step 4: Simplify right side
    155,010.20x = 9,918,118,418.55
  5. Step 5: Solve for x
    x = 9,918,118,418.55/155,010.20
  6. Step 6: Final answer
    x = 63,983.65

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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.