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Finding the Fourth Proportional to 195,423.80, 292,905.30 and 101,881.40

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Solution

The fourth proportional to 195,423.80, 292,905.30 and 101,881.40 is: 152,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,423.80 : 292,905.30 = 101,881.40 : x
  2. Step 2: Convert to fraction form
    195,423.80/292,905.30 = 101,881.40/x
  3. Step 3: Cross multiply
    195,423.80x = 292,905.30 × 101,881.40
  4. Step 4: Simplify right side
    195,423.80x = 29,841,602,031.42
  5. Step 5: Solve for x
    x = 29,841,602,031.42/195,423.80
  6. Step 6: Final answer
    x = 152,701.98

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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.