Home / 156,946.27-216,576.15-88,031.94

Finding the Fourth Proportional to 156,946.27, 216,576.15 and 88,031.94

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Solution

The fourth proportional to 156,946.27, 216,576.15 and 88,031.94 is: 121,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,946.27 : 216,576.15 = 88,031.94 : x
  2. Step 2: Convert to fraction form
    156,946.27/216,576.15 = 88,031.94/x
  3. Step 3: Cross multiply
    156,946.27x = 216,576.15 × 88,031.94
  4. Step 4: Simplify right side
    156,946.27x = 19,065,618,642.23
  5. Step 5: Solve for x
    x = 19,065,618,642.23/156,946.27
  6. Step 6: Final answer
    x = 121,478.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.