Home / 145,152.63-217,754.46-66,274.83

Finding the Fourth Proportional to 145,152.63, 217,754.46 and 66,274.83

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Solution

The fourth proportional to 145,152.63, 217,754.46 and 66,274.83 is: 99,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152.63 : 217,754.46 = 66,274.83 : x
  2. Step 2: Convert to fraction form
    145,152.63/217,754.46 = 66,274.83/x
  3. Step 3: Cross multiply
    145,152.63x = 217,754.46 × 66,274.83
  4. Step 4: Simplify right side
    145,152.63x = 14,431,639,818.24
  5. Step 5: Solve for x
    x = 14,431,639,818.24/145,152.63
  6. Step 6: Final answer
    x = 99,423.89

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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.