Home / 156,948.65-235,422.98-57,112.10

Finding the Fourth Proportional to 156,948.65, 235,422.98 and 57,112.10

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Solution

The fourth proportional to 156,948.65, 235,422.98 and 57,112.10 is: 85,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.65 : 235,422.98 = 57,112.10 : x
  2. Step 2: Convert to fraction form
    156,948.65/235,422.98 = 57,112.10/x
  3. Step 3: Cross multiply
    156,948.65x = 235,422.98 × 57,112.10
  4. Step 4: Simplify right side
    156,948.65x = 13,445,500,776.06
  5. Step 5: Solve for x
    x = 13,445,500,776.06/156,948.65
  6. Step 6: Final answer
    x = 85,668.15

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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.