Home / 127,875.78-176,479.08-70,526.32

Finding the Fourth Proportional to 127,875.78, 176,479.08 and 70,526.32

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Solution

The fourth proportional to 127,875.78, 176,479.08 and 70,526.32 is: 97,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,875.78 : 176,479.08 = 70,526.32 : x
  2. Step 2: Convert to fraction form
    127,875.78/176,479.08 = 70,526.32/x
  3. Step 3: Cross multiply
    127,875.78x = 176,479.08 × 70,526.32
  4. Step 4: Simplify right side
    127,875.78x = 12,446,420,069.39
  5. Step 5: Solve for x
    x = 12,446,420,069.39/127,875.78
  6. Step 6: Final answer
    x = 97,332.11

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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.