Home / 242,547.48-334,695.65-139,186.22

Finding the Fourth Proportional to 242,547.48, 334,695.65 and 139,186.22

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Solution

The fourth proportional to 242,547.48, 334,695.65 and 139,186.22 is: 192,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,547.48 : 334,695.65 = 139,186.22 : x
  2. Step 2: Convert to fraction form
    242,547.48/334,695.65 = 139,186.22/x
  3. Step 3: Cross multiply
    242,547.48x = 334,695.65 × 139,186.22
  4. Step 4: Simplify right side
    242,547.48x = 46,585,020,004.53
  5. Step 5: Solve for x
    x = 46,585,020,004.53/242,547.48
  6. Step 6: Final answer
    x = 192,065.57

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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.