Home / 121,307.42-167,407.76-70,320.36

Finding the Fourth Proportional to 121,307.42, 167,407.76 and 70,320.36

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Solution

The fourth proportional to 121,307.42, 167,407.76 and 70,320.36 is: 97,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,307.42 : 167,407.76 = 70,320.36 : x
  2. Step 2: Convert to fraction form
    121,307.42/167,407.76 = 70,320.36/x
  3. Step 3: Cross multiply
    121,307.42x = 167,407.76 × 70,320.36
  4. Step 4: Simplify right side
    121,307.42x = 11,772,173,949.99
  5. Step 5: Solve for x
    x = 11,772,173,949.99/121,307.42
  6. Step 6: Final answer
    x = 97,044.14

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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.