Home / 152,775.11-210,826.47-84,788.13

Finding the Fourth Proportional to 152,775.11, 210,826.47 and 84,788.13

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Solution

The fourth proportional to 152,775.11, 210,826.47 and 84,788.13 is: 117,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,775.11 : 210,826.47 = 84,788.13 : x
  2. Step 2: Convert to fraction form
    152,775.11/210,826.47 = 84,788.13/x
  3. Step 3: Cross multiply
    152,775.11x = 210,826.47 × 84,788.13
  4. Step 4: Simplify right side
    152,775.11x = 17,875,582,145.80
  5. Step 5: Solve for x
    x = 17,875,582,145.80/152,775.11
  6. Step 6: Final answer
    x = 117,005.86

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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.