Home / 148,271.47-204,629.28-84,618.84

Finding the Fourth Proportional to 148,271.47, 204,629.28 and 84,618.84

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Solution

The fourth proportional to 148,271.47, 204,629.28 and 84,618.84 is: 116,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,271.47 : 204,629.28 = 84,618.84 : x
  2. Step 2: Convert to fraction form
    148,271.47/204,629.28 = 84,618.84/x
  3. Step 3: Cross multiply
    148,271.47x = 204,629.28 × 84,618.84
  4. Step 4: Simplify right side
    148,271.47x = 17,315,492,303.64
  5. Step 5: Solve for x
    x = 17,315,492,303.64/148,271.47
  6. Step 6: Final answer
    x = 116,782.36

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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.