Home / 208,166.77-287,272.25-112,675.51

Finding the Fourth Proportional to 208,166.77, 287,272.25 and 112,675.51

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Solution

The fourth proportional to 208,166.77, 287,272.25 and 112,675.51 is: 155,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,166.77 : 287,272.25 = 112,675.51 : x
  2. Step 2: Convert to fraction form
    208,166.77/287,272.25 = 112,675.51/x
  3. Step 3: Cross multiply
    208,166.77x = 287,272.25 × 112,675.51
  4. Step 4: Simplify right side
    208,166.77x = 32,368,547,277.60
  5. Step 5: Solve for x
    x = 32,368,547,277.60/208,166.77
  6. Step 6: Final answer
    x = 155,493.34

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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.