Home / 130,259.88-195,302.94-47,143.08

Finding the Fourth Proportional to 130,259.88, 195,302.94 and 47,143.08

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Solution

The fourth proportional to 130,259.88, 195,302.94 and 47,143.08 is: 70,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,259.88 : 195,302.94 = 47,143.08 : x
  2. Step 2: Convert to fraction form
    130,259.88/195,302.94 = 47,143.08/x
  3. Step 3: Cross multiply
    130,259.88x = 195,302.94 × 47,143.08
  4. Step 4: Simplify right side
    130,259.88x = 9,207,182,124.66
  5. Step 5: Solve for x
    x = 9,207,182,124.66/130,259.88
  6. Step 6: Final answer
    x = 70,683.18

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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.