Home / 142,115.23-213,173.76-97,607.05

Finding the Fourth Proportional to 142,115.23, 213,173.76 and 97,607.05

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Solution

The fourth proportional to 142,115.23, 213,173.76 and 97,607.05 is: 146,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,115.23 : 213,173.76 = 97,607.05 : x
  2. Step 2: Convert to fraction form
    142,115.23/213,173.76 = 97,607.05/x
  3. Step 3: Cross multiply
    142,115.23x = 213,173.76 × 97,607.05
  4. Step 4: Simplify right side
    142,115.23x = 20,807,261,851.01
  5. Step 5: Solve for x
    x = 20,807,261,851.01/142,115.23
  6. Step 6: Final answer
    x = 146,411.20

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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.