Home / 152,820.16-210,881.24-84,831.76

Finding the Fourth Proportional to 152,820.16, 210,881.24 and 84,831.76

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Solution

The fourth proportional to 152,820.16, 210,881.24 and 84,831.76 is: 117,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,820.16 : 210,881.24 = 84,831.76 : x
  2. Step 2: Convert to fraction form
    152,820.16/210,881.24 = 84,831.76/x
  3. Step 3: Cross multiply
    152,820.16x = 210,881.24 × 84,831.76
  4. Step 4: Simplify right side
    152,820.16x = 17,889,426,740.18
  5. Step 5: Solve for x
    x = 17,889,426,740.18/152,820.16
  6. Step 6: Final answer
    x = 117,061.96

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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.