Home / 130,073.95-195,129.51-40,124.23

Finding the Fourth Proportional to 130,073.95, 195,129.51 and 40,124.23

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Solution

The fourth proportional to 130,073.95, 195,129.51 and 40,124.23 is: 60,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,073.95 : 195,129.51 = 40,124.23 : x
  2. Step 2: Convert to fraction form
    130,073.95/195,129.51 = 40,124.23/x
  3. Step 3: Cross multiply
    130,073.95x = 195,129.51 × 40,124.23
  4. Step 4: Simplify right side
    130,073.95x = 7,829,421,339.03
  5. Step 5: Solve for x
    x = 7,829,421,339.03/130,073.95
  6. Step 6: Final answer
    x = 60,192.08

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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.