Home / 145,313.28-217,968.30-102,442.23

Finding the Fourth Proportional to 145,313.28, 217,968.30 and 102,442.23

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Solution

The fourth proportional to 145,313.28, 217,968.30 and 102,442.23 is: 153,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,313.28 : 217,968.30 = 102,442.23 : x
  2. Step 2: Convert to fraction form
    145,313.28/217,968.30 = 102,442.23/x
  3. Step 3: Cross multiply
    145,313.28x = 217,968.30 × 102,442.23
  4. Step 4: Simplify right side
    145,313.28x = 22,329,158,721.31
  5. Step 5: Solve for x
    x = 22,329,158,721.31/145,313.28
  6. Step 6: Final answer
    x = 153,662.20

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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.