Home / 208,482.28-287,706.04-112,988.95

Finding the Fourth Proportional to 208,482.28, 287,706.04 and 112,988.95

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Solution

The fourth proportional to 208,482.28, 287,706.04 and 112,988.95 is: 155,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,482.28 : 287,706.04 = 112,988.95 : x
  2. Step 2: Convert to fraction form
    208,482.28/287,706.04 = 112,988.95/x
  3. Step 3: Cross multiply
    208,482.28x = 287,706.04 × 112,988.95
  4. Step 4: Simplify right side
    208,482.28x = 32,507,603,368.26
  5. Step 5: Solve for x
    x = 32,507,603,368.26/208,482.28
  6. Step 6: Final answer
    x = 155,925.02

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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.