Home / 152,170.24-210,001.20-84,186.10

Finding the Fourth Proportional to 152,170.24, 210,001.20 and 84,186.10

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Solution

The fourth proportional to 152,170.24, 210,001.20 and 84,186.10 is: 116,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,170.24 : 210,001.20 = 84,186.10 : x
  2. Step 2: Convert to fraction form
    152,170.24/210,001.20 = 84,186.10/x
  3. Step 3: Cross multiply
    152,170.24x = 210,001.20 × 84,186.10
  4. Step 4: Simplify right side
    152,170.24x = 17,679,182,023.32
  5. Step 5: Solve for x
    x = 17,679,182,023.32/152,170.24
  6. Step 6: Final answer
    x = 116,180.29

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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.