Home / 197,152.40-272,070.02-112,269.48

Finding the Fourth Proportional to 197,152.40, 272,070.02 and 112,269.48

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Solution

The fourth proportional to 197,152.40, 272,070.02 and 112,269.48 is: 154,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,152.40 : 272,070.02 = 112,269.48 : x
  2. Step 2: Convert to fraction form
    197,152.40/272,070.02 = 112,269.48/x
  3. Step 3: Cross multiply
    197,152.40x = 272,070.02 × 112,269.48
  4. Step 4: Simplify right side
    197,152.40x = 30,545,159,668.99
  5. Step 5: Solve for x
    x = 30,545,159,668.99/197,152.40
  6. Step 6: Final answer
    x = 154,931.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.