Home / 152,785.47-210,846.20-84,806.82

Finding the Fourth Proportional to 152,785.47, 210,846.20 and 84,806.82

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Solution

The fourth proportional to 152,785.47, 210,846.20 and 84,806.82 is: 117,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,785.47 : 210,846.20 = 84,806.82 : x
  2. Step 2: Convert to fraction form
    152,785.47/210,846.20 = 84,806.82/x
  3. Step 3: Cross multiply
    152,785.47x = 210,846.20 × 84,806.82
  4. Step 4: Simplify right side
    152,785.47x = 17,881,195,307.05
  5. Step 5: Solve for x
    x = 17,881,195,307.05/152,785.47
  6. Step 6: Final answer
    x = 117,034.66

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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.