Home / 152,276.16-210,134.88-85,203.84

Finding the Fourth Proportional to 152,276.16, 210,134.88 and 85,203.84

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Solution

The fourth proportional to 152,276.16, 210,134.88 and 85,203.84 is: 117,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,276.16 : 210,134.88 = 85,203.84 : x
  2. Step 2: Convert to fraction form
    152,276.16/210,134.88 = 85,203.84/x
  3. Step 3: Cross multiply
    152,276.16x = 210,134.88 × 85,203.84
  4. Step 4: Simplify right side
    152,276.16x = 17,904,298,693.94
  5. Step 5: Solve for x
    x = 17,904,298,693.94/152,276.16
  6. Step 6: Final answer
    x = 117,577.82

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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.