Home / 208,068.07-287,133.93-112,574.76

Finding the Fourth Proportional to 208,068.07, 287,133.93 and 112,574.76

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Solution

The fourth proportional to 208,068.07, 287,133.93 and 112,574.76 is: 155,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,068.07 : 287,133.93 = 112,574.76 : x
  2. Step 2: Convert to fraction form
    208,068.07/287,133.93 = 112,574.76/x
  3. Step 3: Cross multiply
    208,068.07x = 287,133.93 × 112,574.76
  4. Step 4: Simplify right side
    208,068.07x = 32,324,033,257.61
  5. Step 5: Solve for x
    x = 32,324,033,257.61/208,068.07
  6. Step 6: Final answer
    x = 155,353.17

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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.