Home / 130,076.95-195,154.72-61,740.95

Finding the Fourth Proportional to 130,076.95, 195,154.72 and 61,740.95

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Solution

The fourth proportional to 130,076.95, 195,154.72 and 61,740.95 is: 92,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,076.95 : 195,154.72 = 61,740.95 : x
  2. Step 2: Convert to fraction form
    130,076.95/195,154.72 = 61,740.95/x
  3. Step 3: Cross multiply
    130,076.95x = 195,154.72 × 61,740.95
  4. Step 4: Simplify right side
    130,076.95x = 12,049,037,809.78
  5. Step 5: Solve for x
    x = 12,049,037,809.78/130,076.95
  6. Step 6: Final answer
    x = 92,630.08

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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.