Home / 153,099.24-211,280.58-85,118.28

Finding the Fourth Proportional to 153,099.24, 211,280.58 and 85,118.28

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Solution

The fourth proportional to 153,099.24, 211,280.58 and 85,118.28 is: 117,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,099.24 : 211,280.58 = 85,118.28 : x
  2. Step 2: Convert to fraction form
    153,099.24/211,280.58 = 85,118.28/x
  3. Step 3: Cross multiply
    153,099.24x = 211,280.58 × 85,118.28
  4. Step 4: Simplify right side
    153,099.24x = 17,983,839,567.00
  5. Step 5: Solve for x
    x = 17,983,839,567.00/153,099.24
  6. Step 6: Final answer
    x = 117,465.24

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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.