Home / 154,419.95-213,232.50-97,154.74

Finding the Fourth Proportional to 154,419.95, 213,232.50 and 97,154.74

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Solution

The fourth proportional to 154,419.95, 213,232.50 and 97,154.74 is: 134,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,419.95 : 213,232.50 = 97,154.74 : x
  2. Step 2: Convert to fraction form
    154,419.95/213,232.50 = 97,154.74/x
  3. Step 3: Cross multiply
    154,419.95x = 213,232.50 × 97,154.74
  4. Step 4: Simplify right side
    154,419.95x = 20,716,548,363.59
  5. Step 5: Solve for x
    x = 20,716,548,363.59/154,419.95
  6. Step 6: Final answer
    x = 134,157.20

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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.