Home / 154,409.61-213,118.47-94,000.17

Finding the Fourth Proportional to 154,409.61, 213,118.47 and 94,000.17

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Solution

The fourth proportional to 154,409.61, 213,118.47 and 94,000.17 is: 129,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409.61 : 213,118.47 = 94,000.17 : x
  2. Step 2: Convert to fraction form
    154,409.61/213,118.47 = 94,000.17/x
  3. Step 3: Cross multiply
    154,409.61x = 213,118.47 × 94,000.17
  4. Step 4: Simplify right side
    154,409.61x = 20,033,172,410.14
  5. Step 5: Solve for x
    x = 20,033,172,410.14/154,409.61
  6. Step 6: Final answer
    x = 129,740.45

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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.