Home / 157,387.40-236,011.64-45,042.03

Finding the Fourth Proportional to 157,387.40, 236,011.64 and 45,042.03

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Solution

The fourth proportional to 157,387.40, 236,011.64 and 45,042.03 is: 67,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,387.40 : 236,011.64 = 45,042.03 : x
  2. Step 2: Convert to fraction form
    157,387.40/236,011.64 = 45,042.03/x
  3. Step 3: Cross multiply
    157,387.40x = 236,011.64 × 45,042.03
  4. Step 4: Simplify right side
    157,387.40x = 10,630,443,144.02
  5. Step 5: Solve for x
    x = 10,630,443,144.02/157,387.40
  6. Step 6: Final answer
    x = 67,543.17

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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.