Home / 97,108.32-145,591.20-40,946.16

Finding the Fourth Proportional to 97,108.32, 145,591.20 and 40,946.16

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Solution

The fourth proportional to 97,108.32, 145,591.20 and 40,946.16 is: 61,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,108.32 : 145,591.20 = 40,946.16 : x
  2. Step 2: Convert to fraction form
    97,108.32/145,591.20 = 40,946.16/x
  3. Step 3: Cross multiply
    97,108.32x = 145,591.20 × 40,946.16
  4. Step 4: Simplify right side
    97,108.32x = 5,961,400,569.79
  5. Step 5: Solve for x
    x = 5,961,400,569.79/97,108.32
  6. Step 6: Final answer
    x = 61,389.18

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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.