Home / 145,393.25-218,000.56-56,543.17

Finding the Fourth Proportional to 145,393.25, 218,000.56 and 56,543.17

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Solution

The fourth proportional to 145,393.25, 218,000.56 and 56,543.17 is: 84,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,393.25 : 218,000.56 = 56,543.17 : x
  2. Step 2: Convert to fraction form
    145,393.25/218,000.56 = 56,543.17/x
  3. Step 3: Cross multiply
    145,393.25x = 218,000.56 × 56,543.17
  4. Step 4: Simplify right side
    145,393.25x = 12,326,442,724.18
  5. Step 5: Solve for x
    x = 12,326,442,724.18/145,393.25
  6. Step 6: Final answer
    x = 84,780.02

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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.