Home / 142,032.48-212,975.76-47,228.44

Finding the Fourth Proportional to 142,032.48, 212,975.76 and 47,228.44

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Solution

The fourth proportional to 142,032.48, 212,975.76 and 47,228.44 is: 70,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,032.48 : 212,975.76 = 47,228.44 : x
  2. Step 2: Convert to fraction form
    142,032.48/212,975.76 = 47,228.44/x
  3. Step 3: Cross multiply
    142,032.48x = 212,975.76 × 47,228.44
  4. Step 4: Simplify right side
    142,032.48x = 10,058,512,902.61
  5. Step 5: Solve for x
    x = 10,058,512,902.61/142,032.48
  6. Step 6: Final answer
    x = 70,818.40

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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.