Home / 209,192.02-288,693.57-118,547.02

Finding the Fourth Proportional to 209,192.02, 288,693.57 and 118,547.02

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Solution

The fourth proportional to 209,192.02, 288,693.57 and 118,547.02 is: 163,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,192.02 : 288,693.57 = 118,547.02 : x
  2. Step 2: Convert to fraction form
    209,192.02/288,693.57 = 118,547.02/x
  3. Step 3: Cross multiply
    209,192.02x = 288,693.57 × 118,547.02
  4. Step 4: Simplify right side
    209,192.02x = 34,223,761,743.30
  5. Step 5: Solve for x
    x = 34,223,761,743.30/209,192.02
  6. Step 6: Final answer
    x = 163,599.75

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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.