Home / 160,637.32-221,680.74-89,018.50

Finding the Fourth Proportional to 160,637.32, 221,680.74 and 89,018.50

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Solution

The fourth proportional to 160,637.32, 221,680.74 and 89,018.50 is: 122,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,637.32 : 221,680.74 = 89,018.50 : x
  2. Step 2: Convert to fraction form
    160,637.32/221,680.74 = 89,018.50/x
  3. Step 3: Cross multiply
    160,637.32x = 221,680.74 × 89,018.50
  4. Step 4: Simplify right side
    160,637.32x = 19,733,686,953.69
  5. Step 5: Solve for x
    x = 19,733,686,953.69/160,637.32
  6. Step 6: Final answer
    x = 122,846.22

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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.