Home / 97,145.46-134,063.02-54,127.86

Finding the Fourth Proportional to 97,145.46, 134,063.02 and 54,127.86

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Solution

The fourth proportional to 97,145.46, 134,063.02 and 54,127.86 is: 74,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,145.46 : 134,063.02 = 54,127.86 : x
  2. Step 2: Convert to fraction form
    97,145.46/134,063.02 = 54,127.86/x
  3. Step 3: Cross multiply
    97,145.46x = 134,063.02 × 54,127.86
  4. Step 4: Simplify right side
    97,145.46x = 7,256,544,377.74
  5. Step 5: Solve for x
    x = 7,256,544,377.74/97,145.46
  6. Step 6: Final answer
    x = 74,697.72

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1.5x scale

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.