Home / 157,448.36-217,278.12-85,828.16

Finding the Fourth Proportional to 157,448.36, 217,278.12 and 85,828.16

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Solution

The fourth proportional to 157,448.36, 217,278.12 and 85,828.16 is: 118,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,448.36 : 217,278.12 = 85,828.16 : x
  2. Step 2: Convert to fraction form
    157,448.36/217,278.12 = 85,828.16/x
  3. Step 3: Cross multiply
    157,448.36x = 217,278.12 × 85,828.16
  4. Step 4: Simplify right side
    157,448.36x = 18,648,581,247.86
  5. Step 5: Solve for x
    x = 18,648,581,247.86/157,448.36
  6. Step 6: Final answer
    x = 118,442.52

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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.