Home / 145,056.50-217,918.29-103,038.74

Finding the Fourth Proportional to 145,056.50, 217,918.29 and 103,038.74

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Solution

The fourth proportional to 145,056.50, 217,918.29 and 103,038.74 is: 154,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,056.50 : 217,918.29 = 103,038.74 : x
  2. Step 2: Convert to fraction form
    145,056.50/217,918.29 = 103,038.74/x
  3. Step 3: Cross multiply
    145,056.50x = 217,918.29 × 103,038.74
  4. Step 4: Simplify right side
    145,056.50x = 22,454,026,024.55
  5. Step 5: Solve for x
    x = 22,454,026,024.55/145,056.50
  6. Step 6: Final answer
    x = 154,795.04

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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.