Home / 292,123.24-403,130.34-157,987.24

Finding the Fourth Proportional to 292,123.24, 403,130.34 and 157,987.24

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Solution

The fourth proportional to 292,123.24, 403,130.34 and 157,987.24 is: 218,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,123.24 : 403,130.34 = 157,987.24 : x
  2. Step 2: Convert to fraction form
    292,123.24/403,130.34 = 157,987.24/x
  3. Step 3: Cross multiply
    292,123.24x = 403,130.34 × 157,987.24
  4. Step 4: Simplify right side
    292,123.24x = 63,689,449,776.86
  5. Step 5: Solve for x
    x = 63,689,449,776.86/292,123.24
  6. Step 6: Final answer
    x = 218,022.54

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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.