Home / 145,269.44-217,916.70-40,088.40

Finding the Fourth Proportional to 145,269.44, 217,916.70 and 40,088.40

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Solution

The fourth proportional to 145,269.44, 217,916.70 and 40,088.40 is: 60,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,269.44 : 217,916.70 = 40,088.40 : x
  2. Step 2: Convert to fraction form
    145,269.44/217,916.70 = 40,088.40/x
  3. Step 3: Cross multiply
    145,269.44x = 217,916.70 × 40,088.40
  4. Step 4: Simplify right side
    145,269.44x = 8,735,931,836.28
  5. Step 5: Solve for x
    x = 8,735,931,836.28/145,269.44
  6. Step 6: Final answer
    x = 60,136.06

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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.