Home / 130,117.83-179,562.93-72,759.23

Finding the Fourth Proportional to 130,117.83, 179,562.93 and 72,759.23

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Solution

The fourth proportional to 130,117.83, 179,562.93 and 72,759.23 is: 100,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,117.83 : 179,562.93 = 72,759.23 : x
  2. Step 2: Convert to fraction form
    130,117.83/179,562.93 = 72,759.23/x
  3. Step 3: Cross multiply
    130,117.83x = 179,562.93 × 72,759.23
  4. Step 4: Simplify right side
    130,117.83x = 13,064,860,523.34
  5. Step 5: Solve for x
    x = 13,064,860,523.34/130,117.83
  6. Step 6: Final answer
    x = 100,407.92

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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.