Home / 127,415.18-175,835.12-70,056.86

Finding the Fourth Proportional to 127,415.18, 175,835.12 and 70,056.86

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Solution

The fourth proportional to 127,415.18, 175,835.12 and 70,056.86 is: 96,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,415.18 : 175,835.12 = 70,056.86 : x
  2. Step 2: Convert to fraction form
    127,415.18/175,835.12 = 70,056.86/x
  3. Step 3: Cross multiply
    127,415.18x = 175,835.12 × 70,056.86
  4. Step 4: Simplify right side
    127,415.18x = 12,318,455,155.46
  5. Step 5: Solve for x
    x = 12,318,455,155.46/127,415.18
  6. Step 6: Final answer
    x = 96,679.65

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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.