Home / 99,130.96-148,756.92-42,960.16

Finding the Fourth Proportional to 99,130.96, 148,756.92 and 42,960.16

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Solution

The fourth proportional to 99,130.96, 148,756.92 and 42,960.16 is: 64,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,130.96 : 148,756.92 = 42,960.16 : x
  2. Step 2: Convert to fraction form
    99,130.96/148,756.92 = 42,960.16/x
  3. Step 3: Cross multiply
    99,130.96x = 148,756.92 × 42,960.16
  4. Step 4: Simplify right side
    99,130.96x = 6,390,621,084.31
  5. Step 5: Solve for x
    x = 6,390,621,084.31/99,130.96
  6. Step 6: Final answer
    x = 64,466.45

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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.