Home / 130,625.89-179,089.61-128,263.93

Finding the Fourth Proportional to 130,625.89, 179,089.61 and 128,263.93

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Solution

The fourth proportional to 130,625.89, 179,089.61 and 128,263.93 is: 175,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,625.89 : 179,089.61 = 128,263.93 : x
  2. Step 2: Convert to fraction form
    130,625.89/179,089.61 = 128,263.93/x
  3. Step 3: Cross multiply
    130,625.89x = 179,089.61 × 128,263.93
  4. Step 4: Simplify right side
    130,625.89x = 22,970,737,200.77
  5. Step 5: Solve for x
    x = 22,970,737,200.77/130,625.89
  6. Step 6: Final answer
    x = 175,851.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.