Home / 89,309.04-133,870.02-30,124.32

Finding the Fourth Proportional to 89,309.04, 133,870.02 and 30,124.32

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Solution

The fourth proportional to 89,309.04, 133,870.02 and 30,124.32 is: 45,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,309.04 : 133,870.02 = 30,124.32 : x
  2. Step 2: Convert to fraction form
    89,309.04/133,870.02 = 30,124.32/x
  3. Step 3: Cross multiply
    89,309.04x = 133,870.02 × 30,124.32
  4. Step 4: Simplify right side
    89,309.04x = 4,032,743,320.89
  5. Step 5: Solve for x
    x = 4,032,743,320.89/89,309.04
  6. Step 6: Final answer
    x = 45,154.93

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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.