Home / 175,477.25-242,158.65-99,012.55

Finding the Fourth Proportional to 175,477.25, 242,158.65 and 99,012.55

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Solution

The fourth proportional to 175,477.25, 242,158.65 and 99,012.55 is: 136,637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,477.25 : 242,158.65 = 99,012.55 : x
  2. Step 2: Convert to fraction form
    175,477.25/242,158.65 = 99,012.55/x
  3. Step 3: Cross multiply
    175,477.25x = 242,158.65 × 99,012.55
  4. Step 4: Simplify right side
    175,477.25x = 23,976,746,017.19
  5. Step 5: Solve for x
    x = 23,976,746,017.19/175,477.25
  6. Step 6: Final answer
    x = 136,637.35

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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.