Home / 176,721.96-243,783.36-105,051

Finding the Fourth Proportional to 176,721.96, 243,783.36 and 105,051

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Solution

The fourth proportional to 176,721.96, 243,783.36 and 105,051 is: 144,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,721.96 : 243,783.36 = 105,051 : x
  2. Step 2: Convert to fraction form
    176,721.96/243,783.36 = 105,051/x
  3. Step 3: Cross multiply
    176,721.96x = 243,783.36 × 105,051
  4. Step 4: Simplify right side
    176,721.96x = 25,609,685,751.36
  5. Step 5: Solve for x
    x = 25,609,685,751.36/176,721.96
  6. Step 6: Final answer
    x = 144,915.13

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1.5x scale

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.