Home / 208,152.75-287,250.81-112,660.23

Finding the Fourth Proportional to 208,152.75, 287,250.81 and 112,660.23

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Solution

The fourth proportional to 208,152.75, 287,250.81 and 112,660.23 is: 155,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,152.75 : 287,250.81 = 112,660.23 : x
  2. Step 2: Convert to fraction form
    208,152.75/287,250.81 = 112,660.23/x
  3. Step 3: Cross multiply
    208,152.75x = 287,250.81 × 112,660.23
  4. Step 4: Simplify right side
    208,152.75x = 32,361,742,322.29
  5. Step 5: Solve for x
    x = 32,361,742,322.29/208,152.75
  6. Step 6: Final answer
    x = 155,471.13

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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.