Home / 144,088.60-216,230.10-84,861.40

Finding the Fourth Proportional to 144,088.60, 216,230.10 and 84,861.40

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Solution

The fourth proportional to 144,088.60, 216,230.10 and 84,861.40 is: 127,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,088.60 : 216,230.10 = 84,861.40 : x
  2. Step 2: Convert to fraction form
    144,088.60/216,230.10 = 84,861.40/x
  3. Step 3: Cross multiply
    144,088.60x = 216,230.10 × 84,861.40
  4. Step 4: Simplify right side
    144,088.60x = 18,349,589,008.14
  5. Step 5: Solve for x
    x = 18,349,589,008.14/144,088.60
  6. Step 6: Final answer
    x = 127,349.35

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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.