Home / 156,670.65-235,005.98-38,340.45

Finding the Fourth Proportional to 156,670.65, 235,005.98 and 38,340.45

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Solution

The fourth proportional to 156,670.65, 235,005.98 and 38,340.45 is: 57,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,670.65 : 235,005.98 = 38,340.45 : x
  2. Step 2: Convert to fraction form
    156,670.65/235,005.98 = 38,340.45/x
  3. Step 3: Cross multiply
    156,670.65x = 235,005.98 × 38,340.45
  4. Step 4: Simplify right side
    156,670.65x = 9,010,234,834.19
  5. Step 5: Solve for x
    x = 9,010,234,834.19/156,670.65
  6. Step 6: Final answer
    x = 57,510.68

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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.