Home / 128,460.03-192,558.29-49,543.23

Finding the Fourth Proportional to 128,460.03, 192,558.29 and 49,543.23

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Solution

The fourth proportional to 128,460.03, 192,558.29 and 49,543.23 is: 74,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,460.03 : 192,558.29 = 49,543.23 : x
  2. Step 2: Convert to fraction form
    128,460.03/192,558.29 = 49,543.23/x
  3. Step 3: Cross multiply
    128,460.03x = 192,558.29 × 49,543.23
  4. Step 4: Simplify right side
    128,460.03x = 9,539,959,402.16
  5. Step 5: Solve for x
    x = 9,539,959,402.16/128,460.03
  6. Step 6: Final answer
    x = 74,264.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.