Home / 345,292.48-517,762.08-158,143.60

Finding the Fourth Proportional to 345,292.48, 517,762.08 and 158,143.60

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Solution

The fourth proportional to 345,292.48, 517,762.08 and 158,143.60 is: 237,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,292.48 : 517,762.08 = 158,143.60 : x
  2. Step 2: Convert to fraction form
    345,292.48/517,762.08 = 158,143.60/x
  3. Step 3: Cross multiply
    345,292.48x = 517,762.08 × 158,143.60
  4. Step 4: Simplify right side
    345,292.48x = 81,880,759,274.69
  5. Step 5: Solve for x
    x = 81,880,759,274.69/345,292.48
  6. Step 6: Final answer
    x = 237,134.50

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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.