Home / 194,946.80-292,031.40-101,505.20

Finding the Fourth Proportional to 194,946.80, 292,031.40 and 101,505.20

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Solution

The fourth proportional to 194,946.80, 292,031.40 and 101,505.20 is: 152,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,946.80 : 292,031.40 = 101,505.20 : x
  2. Step 2: Convert to fraction form
    194,946.80/292,031.40 = 101,505.20/x
  3. Step 3: Cross multiply
    194,946.80x = 292,031.40 × 101,505.20
  4. Step 4: Simplify right side
    194,946.80x = 29,642,705,663.28
  5. Step 5: Solve for x
    x = 29,642,705,663.28/194,946.80
  6. Step 6: Final answer
    x = 152,055.36

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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.