Home / 102,445.46-153,631.28-43,285.74

Finding the Fourth Proportional to 102,445.46, 153,631.28 and 43,285.74

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Solution

The fourth proportional to 102,445.46, 153,631.28 and 43,285.74 is: 64,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,445.46 : 153,631.28 = 43,285.74 : x
  2. Step 2: Convert to fraction form
    102,445.46/153,631.28 = 43,285.74/x
  3. Step 3: Cross multiply
    102,445.46x = 153,631.28 × 43,285.74
  4. Step 4: Simplify right side
    102,445.46x = 6,650,044,038.22
  5. Step 5: Solve for x
    x = 6,650,044,038.22/102,445.46
  6. Step 6: Final answer
    x = 64,913.02

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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.