Home / 155,994.05-215,271.81-84,374.08

Finding the Fourth Proportional to 155,994.05, 215,271.81 and 84,374.08

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Solution

The fourth proportional to 155,994.05, 215,271.81 and 84,374.08 is: 116,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,994.05 : 215,271.81 = 84,374.08 : x
  2. Step 2: Convert to fraction form
    155,994.05/215,271.81 = 84,374.08/x
  3. Step 3: Cross multiply
    155,994.05x = 215,271.81 × 84,374.08
  4. Step 4: Simplify right side
    155,994.05x = 18,163,360,918.68
  5. Step 5: Solve for x
    x = 18,163,360,918.68/155,994.05
  6. Step 6: Final answer
    x = 116,436.24

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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.