Home / 94,503.86-130,343.28-64,238.16

Finding the Fourth Proportional to 94,503.86, 130,343.28 and 64,238.16

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Solution

The fourth proportional to 94,503.86, 130,343.28 and 64,238.16 is: 88,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,503.86 : 130,343.28 = 64,238.16 : x
  2. Step 2: Convert to fraction form
    94,503.86/130,343.28 = 64,238.16/x
  3. Step 3: Cross multiply
    94,503.86x = 130,343.28 × 64,238.16
  4. Step 4: Simplify right side
    94,503.86x = 8,373,012,723.46
  5. Step 5: Solve for x
    x = 8,373,012,723.46/94,503.86
  6. Step 6: Final answer
    x = 88,599.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.