Home / 115,461.40-173,192.10-112,005.40

Finding the Fourth Proportional to 115,461.40, 173,192.10 and 112,005.40

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Solution

The fourth proportional to 115,461.40, 173,192.10 and 112,005.40 is: 168,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,461.40 : 173,192.10 = 112,005.40 : x
  2. Step 2: Convert to fraction form
    115,461.40/173,192.10 = 112,005.40/x
  3. Step 3: Cross multiply
    115,461.40x = 173,192.10 × 112,005.40
  4. Step 4: Simplify right side
    115,461.40x = 19,398,450,437.34
  5. Step 5: Solve for x
    x = 19,398,450,437.34/115,461.40
  6. Step 6: Final answer
    x = 168,008.10

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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.