Home / 176,702.48-243,816.36-105,100.10

Finding the Fourth Proportional to 176,702.48, 243,816.36 and 105,100.10

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Solution

The fourth proportional to 176,702.48, 243,816.36 and 105,100.10 is: 145,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,702.48 : 243,816.36 = 105,100.10 : x
  2. Step 2: Convert to fraction form
    176,702.48/243,816.36 = 105,100.10/x
  3. Step 3: Cross multiply
    176,702.48x = 243,816.36 × 105,100.10
  4. Step 4: Simplify right side
    176,702.48x = 25,625,122,598.55
  5. Step 5: Solve for x
    x = 25,625,122,598.55/176,702.48
  6. Step 6: Final answer
    x = 145,018.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.