Home / 142,335.16-213,478.53-47,554.60

Finding the Fourth Proportional to 142,335.16, 213,478.53 and 47,554.60

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Solution

The fourth proportional to 142,335.16, 213,478.53 and 47,554.60 is: 71,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,335.16 : 213,478.53 = 47,554.60 : x
  2. Step 2: Convert to fraction form
    142,335.16/213,478.53 = 47,554.60/x
  3. Step 3: Cross multiply
    142,335.16x = 213,478.53 × 47,554.60
  4. Step 4: Simplify right side
    142,335.16x = 10,151,886,102.74
  5. Step 5: Solve for x
    x = 10,151,886,102.74/142,335.16
  6. Step 6: Final answer
    x = 71,323.81

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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.