Home / 142,681.23-214,031.07-47,907.60

Finding the Fourth Proportional to 142,681.23, 214,031.07 and 47,907.60

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Solution

The fourth proportional to 142,681.23, 214,031.07 and 47,907.60 is: 71,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,681.23 : 214,031.07 = 47,907.60 : x
  2. Step 2: Convert to fraction form
    142,681.23/214,031.07 = 47,907.60/x
  3. Step 3: Cross multiply
    142,681.23x = 214,031.07 × 47,907.60
  4. Step 4: Simplify right side
    142,681.23x = 10,253,714,889.13
  5. Step 5: Solve for x
    x = 10,253,714,889.13/142,681.23
  6. Step 6: Final answer
    x = 71,864.50

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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.