Home / 157,263.33-217,032.50-118,431.63

Finding the Fourth Proportional to 157,263.33, 217,032.50 and 118,431.63

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Solution

The fourth proportional to 157,263.33, 217,032.50 and 118,431.63 is: 163,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,263.33 : 217,032.50 = 118,431.63 : x
  2. Step 2: Convert to fraction form
    157,263.33/217,032.50 = 118,431.63/x
  3. Step 3: Cross multiply
    157,263.33x = 217,032.50 × 118,431.63
  4. Step 4: Simplify right side
    157,263.33x = 25,703,512,737.98
  5. Step 5: Solve for x
    x = 25,703,512,737.98/157,263.33
  6. Step 6: Final answer
    x = 163,442.51

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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.