Home / 215,547.69-297,479.02-118,761.28

Finding the Fourth Proportional to 215,547.69, 297,479.02 and 118,761.28

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Solution

The fourth proportional to 215,547.69, 297,479.02 and 118,761.28 is: 163,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,547.69 : 297,479.02 = 118,761.28 : x
  2. Step 2: Convert to fraction form
    215,547.69/297,479.02 = 118,761.28/x
  3. Step 3: Cross multiply
    215,547.69x = 297,479.02 × 118,761.28
  4. Step 4: Simplify right side
    215,547.69x = 35,328,988,147.74
  5. Step 5: Solve for x
    x = 35,328,988,147.74/215,547.69
  6. Step 6: Final answer
    x = 163,903.35

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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.