Home / 97,130.04-145,705.50-30,572.16

Finding the Fourth Proportional to 97,130.04, 145,705.50 and 30,572.16

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Solution

The fourth proportional to 97,130.04, 145,705.50 and 30,572.16 is: 45,861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,130.04 : 145,705.50 = 30,572.16 : x
  2. Step 2: Convert to fraction form
    97,130.04/145,705.50 = 30,572.16/x
  3. Step 3: Cross multiply
    97,130.04x = 145,705.50 × 30,572.16
  4. Step 4: Simplify right side
    97,130.04x = 4,454,531,858.88
  5. Step 5: Solve for x
    x = 4,454,531,858.88/97,130.04
  6. Step 6: Final answer
    x = 45,861.53

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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.