Home / 89,718.18-134,598.12-30,554.36

Finding the Fourth Proportional to 89,718.18, 134,598.12 and 30,554.36

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Solution

The fourth proportional to 89,718.18, 134,598.12 and 30,554.36 is: 45,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718.18 : 134,598.12 = 30,554.36 : x
  2. Step 2: Convert to fraction form
    89,718.18/134,598.12 = 30,554.36/x
  3. Step 3: Cross multiply
    89,718.18x = 134,598.12 × 30,554.36
  4. Step 4: Simplify right side
    89,718.18x = 4,112,559,261.03
  5. Step 5: Solve for x
    x = 4,112,559,261.03/89,718.18
  6. Step 6: Final answer
    x = 45,838.64

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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.