Home / 145,925.10-218,905.56-49,878.20

Finding the Fourth Proportional to 145,925.10, 218,905.56 and 49,878.20

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Solution

The fourth proportional to 145,925.10, 218,905.56 and 49,878.20 is: 74,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,925.10 : 218,905.56 = 49,878.20 : x
  2. Step 2: Convert to fraction form
    145,925.10/218,905.56 = 49,878.20/x
  3. Step 3: Cross multiply
    145,925.10x = 218,905.56 × 49,878.20
  4. Step 4: Simplify right side
    145,925.10x = 10,918,615,302.79
  5. Step 5: Solve for x
    x = 10,918,615,302.79/145,925.10
  6. Step 6: Final answer
    x = 74,823.42

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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.