Home / 89,312.04-133,874.52-30,127.32

Finding the Fourth Proportional to 89,312.04, 133,874.52 and 30,127.32

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Solution

The fourth proportional to 89,312.04, 133,874.52 and 30,127.32 is: 45,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,312.04 : 133,874.52 = 30,127.32 : x
  2. Step 2: Convert to fraction form
    89,312.04/133,874.52 = 30,127.32/x
  3. Step 3: Cross multiply
    89,312.04x = 133,874.52 × 30,127.32
  4. Step 4: Simplify right side
    89,312.04x = 4,033,280,503.89
  5. Step 5: Solve for x
    x = 4,033,280,503.89/89,312.04
  6. Step 6: Final answer
    x = 45,159.43

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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.