Home / 158,479.47-238,015.35-139,510.89

Finding the Fourth Proportional to 158,479.47, 238,015.35 and 139,510.89

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Solution

The fourth proportional to 158,479.47, 238,015.35 and 139,510.89 is: 209,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,479.47 : 238,015.35 = 139,510.89 : x
  2. Step 2: Convert to fraction form
    158,479.47/238,015.35 = 139,510.89/x
  3. Step 3: Cross multiply
    158,479.47x = 238,015.35 × 139,510.89
  4. Step 4: Simplify right side
    158,479.47x = 33,205,733,312.16
  5. Step 5: Solve for x
    x = 33,205,733,312.16/158,479.47
  6. Step 6: Final answer
    x = 209,527.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.