Home / 207,721.56-286,655.85-112,228.23

Finding the Fourth Proportional to 207,721.56, 286,655.85 and 112,228.23

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Solution

The fourth proportional to 207,721.56, 286,655.85 and 112,228.23 is: 154,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,721.56 : 286,655.85 = 112,228.23 : x
  2. Step 2: Convert to fraction form
    207,721.56/286,655.85 = 112,228.23/x
  3. Step 3: Cross multiply
    207,721.56x = 286,655.85 × 112,228.23
  4. Step 4: Simplify right side
    207,721.56x = 32,170,878,664.65
  5. Step 5: Solve for x
    x = 32,170,878,664.65/207,721.56
  6. Step 6: Final answer
    x = 154,875.01

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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.