Home / 145,792.02-218,721.24-45,951.72

Finding the Fourth Proportional to 145,792.02, 218,721.24 and 45,951.72

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Solution

The fourth proportional to 145,792.02, 218,721.24 and 45,951.72 is: 68,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,792.02 : 218,721.24 = 45,951.72 : x
  2. Step 2: Convert to fraction form
    145,792.02/218,721.24 = 45,951.72/x
  3. Step 3: Cross multiply
    145,792.02x = 218,721.24 × 45,951.72
  4. Step 4: Simplify right side
    145,792.02x = 10,050,617,178.53
  5. Step 5: Solve for x
    x = 10,050,617,178.53/145,792.02
  6. Step 6: Final answer
    x = 68,938.05

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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.