Home / 208,317.04-287,477.43-112,823.74

Finding the Fourth Proportional to 208,317.04, 287,477.43 and 112,823.74

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Solution

The fourth proportional to 208,317.04, 287,477.43 and 112,823.74 is: 155,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,317.04 : 287,477.43 = 112,823.74 : x
  2. Step 2: Convert to fraction form
    208,317.04/287,477.43 = 112,823.74/x
  3. Step 3: Cross multiply
    208,317.04x = 287,477.43 × 112,823.74
  4. Step 4: Simplify right side
    208,317.04x = 32,434,278,818.19
  5. Step 5: Solve for x
    x = 32,434,278,818.19/208,317.04
  6. Step 6: Final answer
    x = 155,696.72

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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.