Home / 157,302.10-217,069.23-89,310.16

Finding the Fourth Proportional to 157,302.10, 217,069.23 and 89,310.16

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Solution

The fourth proportional to 157,302.10, 217,069.23 and 89,310.16 is: 123,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,302.10 : 217,069.23 = 89,310.16 : x
  2. Step 2: Convert to fraction form
    157,302.10/217,069.23 = 89,310.16/x
  3. Step 3: Cross multiply
    157,302.10x = 217,069.23 × 89,310.16
  4. Step 4: Simplify right side
    157,302.10x = 19,386,487,662.38
  5. Step 5: Solve for x
    x = 19,386,487,662.38/157,302.10
  6. Step 6: Final answer
    x = 123,243.67

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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.