Home / 156,870.36-216,463.86-88,882.20

Finding the Fourth Proportional to 156,870.36, 216,463.86 and 88,882.20

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Solution

The fourth proportional to 156,870.36, 216,463.86 and 88,882.20 is: 122,647.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,870.36 : 216,463.86 = 88,882.20 : x
  2. Step 2: Convert to fraction form
    156,870.36/216,463.86 = 88,882.20/x
  3. Step 3: Cross multiply
    156,870.36x = 216,463.86 × 88,882.20
  4. Step 4: Simplify right side
    156,870.36x = 19,239,784,097.29
  5. Step 5: Solve for x
    x = 19,239,784,097.29/156,870.36
  6. Step 6: Final answer
    x = 122,647.67

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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.