Home / 151,053.40-208,459.05-83,075.64

Finding the Fourth Proportional to 151,053.40, 208,459.05 and 83,075.64

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Solution

The fourth proportional to 151,053.40, 208,459.05 and 83,075.64 is: 114,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,053.40 : 208,459.05 = 83,075.64 : x
  2. Step 2: Convert to fraction form
    151,053.40/208,459.05 = 83,075.64/x
  3. Step 3: Cross multiply
    151,053.40x = 208,459.05 × 83,075.64
  4. Step 4: Simplify right side
    151,053.40x = 17,317,868,992.54
  5. Step 5: Solve for x
    x = 17,317,868,992.54/151,053.40
  6. Step 6: Final answer
    x = 114,647.33

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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.