Home / 130,002.74-179,401.52-72,643.22

Finding the Fourth Proportional to 130,002.74, 179,401.52 and 72,643.22

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Solution

The fourth proportional to 130,002.74, 179,401.52 and 72,643.22 is: 100,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,002.74 : 179,401.52 = 72,643.22 : x
  2. Step 2: Convert to fraction form
    130,002.74/179,401.52 = 72,643.22/x
  3. Step 3: Cross multiply
    130,002.74x = 179,401.52 × 72,643.22
  4. Step 4: Simplify right side
    130,002.74x = 13,032,304,085.69
  5. Step 5: Solve for x
    x = 13,032,304,085.69/130,002.74
  6. Step 6: Final answer
    x = 100,246.38

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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.