Home / 160,730.40-221,813.22-89,117.10

Finding the Fourth Proportional to 160,730.40, 221,813.22 and 89,117.10

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Solution

The fourth proportional to 160,730.40, 221,813.22 and 89,117.10 is: 122,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,730.40 : 221,813.22 = 89,117.10 : x
  2. Step 2: Convert to fraction form
    160,730.40/221,813.22 = 89,117.10/x
  3. Step 3: Cross multiply
    160,730.40x = 221,813.22 × 89,117.10
  4. Step 4: Simplify right side
    160,730.40x = 19,767,350,908.06
  5. Step 5: Solve for x
    x = 19,767,350,908.06/160,730.40
  6. Step 6: Final answer
    x = 122,984.52

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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.