Home / 155,027.56-232,498.80-42,681.40

Finding the Fourth Proportional to 155,027.56, 232,498.80 and 42,681.40

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Solution

The fourth proportional to 155,027.56, 232,498.80 and 42,681.40 is: 64,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,027.56 : 232,498.80 = 42,681.40 : x
  2. Step 2: Convert to fraction form
    155,027.56/232,498.80 = 42,681.40/x
  3. Step 3: Cross multiply
    155,027.56x = 232,498.80 × 42,681.40
  4. Step 4: Simplify right side
    155,027.56x = 9,923,374,282.32
  5. Step 5: Solve for x
    x = 9,923,374,282.32/155,027.56
  6. Step 6: Final answer
    x = 64,010.39

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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.